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This paper presents a new privacy negotiation mechanism for an IoT environment that is both efficient and practical to cope with the IoT special need of seamlessness. This mechanism allows IoT users to express and enforce their personal…

Cryptography and Security · Computer Science 2021-03-16 Khaled Alanezi , Shivakant Mishra

When Bluetooth devices come within the range of another, an electronic conversation takes place to determine whether the devices in range are known or whether one needs to control the other. Most Bluetooth devices do not require any form of…

Cryptography and Security · Computer Science 2010-03-10 Ms. A. Rathika , Ms. R. Saranya , Ms. R. Iswarya

Crowd sensing is a new paradigm which leverages the pervasive smartphones to efficiently collect sensing data, enabling numerous novel applications. To achieve good service quality for a crowd sensing application, incentive mechanisms are…

Computer Science and Game Theory · Computer Science 2014-03-24 Jiajun Sun

As a popular application, mobile crowd sensing systems aim at providing more convenient service via the swarm intelligence. With the popularity of sensor-embedded smart phones and intelligent wearable devices, mobile crowd sensing is…

Cryptography and Security · Computer Science 2018-11-12 Jingwei Liu , Fanghui Cai , Longfei Wu , Rong Sun , Liehuang Zhu , Xiaojiang Du

Since the 1990s, the telephone has been the primary mode of communication. However, Voice over Internet Protocol (VoIP), which is a highly straightforward and affordable form of data transfer, is now becoming an important part of daily…

Cryptography and Security · Computer Science 2025-07-30 M. Matsive Ali

Random beacons-information sources that broadcast a stream of random digits unknown by anyone beforehand-are useful for various cryptographic purposes. But such beacons can be easily and undetectably sabotaged, so that their output is known…

Cryptography and Security · Computer Science 2007-05-23 Charles H. Bennett , John A. Smolin

AI chatbots designed as emotional companions blur the boundaries between interpersonal intimacy and institutional software, creating a complex, multi-dimensional privacy environment. Drawing on Communication Privacy Management theory and…

Cryptography and Security · Computer Science 2026-01-19 Hsuen-Chi Chiu , Jeremy Foote

Using multi group asymmetric public and private keys, this paper proposes a encryption email communication system, which makes email communication more secure, lowers the service provider\'s network and storage consumption, and completely…

Cryptography and Security · Computer Science 2019-02-26 Avanna , Psycho Zhang , Simon Yan , Jonne Mao

Current security model in Global System for Mobile Communications (GSM) predominantly use symmetric key cryptography. The rapid advancement of Internet technology facilitates online trading, banking, downloading, emailing using…

Cryptography and Security · Computer Science 2009-11-05 Animesh Agarwal , Vaibhav Shrimali , Manik Lal Das

In this paper, we introduce a secure optical communication protocol that harnesses quantum correlation within entangled photon pairs. A message written by acting on one of the photons can be read by exclusive measurements of the other…

Quantum Physics · Physics 2024-03-26 Jean Sternberg , Julien Voisin , Charline Roux , Yannick Chassagneux , Maria Ines Amanti

Cyber-security analysts face an increasingly large number of alerts received on any given day. This is mainly due to the low precision of many existing methods to detect threats, producing a substantial number of false positives. Usually,…

Cryptography and Security · Computer Science 2022-09-28 Iwona Hawryluk , Henrique Hoeltgebaum , Cole Sodja , Tyler Lalicker , Joshua Neil

The majority of electronic communication today happens either via email or chat. Thanks to the use of standardised protocols electronic mail (SMTP, IMAP, POP3) and instant chat (XMPP, IRC) servers can be deployed in a decentralised but…

Cryptography and Security · Computer Science 2016-01-26 Ralph Holz , Johanna Amann , Olivier Mehani , Matthias Wachs , Mohamed Ali Kaafar

The location-based services provide an interesting combination of cyber and physical worlds. However, they can also threaten the users' privacy. Existing privacy preserving protocols require trusted nodes, with serious security and…

Cryptography and Security · Computer Science 2016-06-09 Meysam Ghaffari , Nasser Ghadiri , Mohammad Hossein Manshaei , Mehran Sadeghi Lahijani

This paper describes a new password-based mutual authentication protocol for Web systems which prevents various kinds of phishing attacks. This protocol provides a protection of user's passwords against any phishers even if dictionary…

Cryptography and Security · Computer Science 2009-11-30 Yutaka Oiwa , Hajime Watanabe , Hiromitsu Takagi

Recently, Yang and Tan proposed a certificateless key exchange protocol without pairing, and claimed their scheme satisfies forward secrecy, which means no adversary could derive an already-established session key unless the full user…

Cryptography and Security · Computer Science 2011-12-06 Min Zhang , Jie Zhang , Qiao-Yan Wen , Zheng-Ping Jin , Hua Zhang

A novel secure communication protocol is presented, based on an entangled pair of qubits and allowing asymptotically secure key distribution and quasi-secure direct communication. Since the information is transferred in a deterministic…

Quantum Physics · Physics 2009-11-07 Kim Bostroem , Timo Felbinger

Echomix is a practical mix network framework and a suite of associated protocols providing strong metadata privacy against realistic modern adversaries. It is distinguished from other anonymity systems by a resistance to traffic analysis by…

Cryptography and Security · Computer Science 2025-01-08 Ewa J Infeld , David Stainton , Leif Ryge , Threebit Hacker

Cybersecurity incidents such as data breaches have become increasingly common, affecting millions of users and organizations worldwide. The complexity of cybersecurity threats challenges the effectiveness of existing security communication…

Cryptography and Security · Computer Science 2025-04-04 Carolina Carreira , Alexandra Mendes , João F. Ferreira , Nicolas Christin

Users often wish to participate in online groups anonymously, but misbehaving users may abuse this anonymity to spam or disrupt the group. Messaging protocols such as Mix-nets and DC-nets leave online groups vulnerable to denial-of-service…

Cryptography and Security · Computer Science 2010-04-20 Henry Corrigan-Gibbs , Bryan Ford

We address the polling problem in social networks where individuals collaborate to choose the most favorite choice amongst some options, without divulging their vote and publicly exposing their potentially malicious actions. Given this…

Distributed, Parallel, and Cluster Computing · Computer Science 2014-12-25 Bao-Thien Hoang , Abdessamad Imine